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Pablo Neira Ayuso says:
====================
Netfilter updates for net-next
The following patchset contains Netfilter updates for net-next:
1) Replace unnecessary list_for_each_entry_continue() in nf_tables,
from Jakob Koschel.
2) Add struct nf_conntrack_net_ecache to conntrack event cache and
use it, from Florian Westphal.
3) Refactor ctnetlink_dump_list(), also from Florian.
4) Bump module reference counter on cttimeout object addition/removal,
from Florian.
5) Consolidate nf_log MAC printer, from Phil Sutter.
6) Add basic logging support for unknown ethertype, from Phil Sutter.
7) Consolidate check for sysctl nf_log_all_netns toggle, also from Phil.
8) Replace hardcode value in nft_bitwise, from Jeremy Sowden.
9) Rename BASIC-like goto tags in nft_bitwise to more meaningful names,
also from Jeremy.
10) nft_fib support for reverse path filtering with policy-based routing
on iif. Extend selftests to cover for this new usecase, from Florian.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit b98ce2f4e32b ("dmaengine: imx-sdma: add uart rom script") broke
uart rx on imx5 when using sdma firmware from older Freescale 2.6.35
kernel. In this case reading addr->uartXX_2_mcu_addr was going out of
bounds of the firmware memory and corrupting the uart script addresses.
Simply adding a bounds check before accessing addr->uartXX_2_mcu_addr
does not work as the uartXX_2_mcu_addr members are now beyond the size
of the older firmware and the uart addresses would never be populated
in that case. There are other ways to fix this but overall the logic
seems clearer to me to revert the uartXX_2_mcu_ram_addr structure
entries back to uartXX_2_mcu_addr, change the newer entries to
uartXX_2_mcu_rom_addr and update the logic accordingly.
I have tested this patch on:
1. An i.MX53 system with sdma firmware from Freescale 2.6.35 kernel.
Without this patch uart rx is broken in this scenario, with the
patch uart rx is restored.
2. An i.MX6D system with no external sdma firmware. uart is okay with
or without this patch.
3. An i.MX8MM system using current sdma-imx7d.bin firmware from
linux-firmware. uart is okay with or without this patch and I
confirmed the rom version of the uart script is being used which was
the intention and reason for commit b98ce2f4e32b ("dmaengine:
imx-sdma: add uart rom script") in the first place.
Fixes: b98ce2f4e32b ("dmaengine: imx-sdma: add uart rom script")
Cc: stable@vger.kernel.org
Signed-off-by: Kevin Groeneveld <kgroeneveld@lenbrook.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://lore.kernel.org/r/20220410223118.15086-1-kgroeneveld@lenbrook.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Describe the various clocks used by the SPI Multi I/O Bus Controller
(RPC-IF) on the R-Car D3 SoC: RPCSRC internal clock, RPC{,D2} clocks
derived from it, and RPC-IF module clock.
The RPCSRC clock divider on R-Car D3 is very similar to the one on R-Car
E3, but uses a different pre-divider for the PLL0 parent. Add a new
macro to describe it, reusing the existing clock type for R-Car E3.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/3fd1e886b7737cd0e199603bae81d01be9dcf3aa.1648546700.git.geert+renesas@glider.be
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cgroupv2 helper function ignores the already-looked up sk
and uses skb->sk instead.
Just pass sk from the calling function instead; this will
make cgroup matching work for udp and tcp in input even when
edemux did not set skb->sk already.
Fixes: e0bb96db96f8 ("netfilter: nft_socket: add support for cgroupsv2")
Signed-off-by: Florian Westphal <fw@strlen.de>
Tested-by: Topi Miettinen <toiwoton@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Its now possible to use fib expression in the forward chain (where both
the input and output interfaces are known).
Add a simple test case for this.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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If policy-based routing using the iif selector is used, then the fib
expression fails to look up for the reverse path from the prerouting
hook because the input interface cannot be inferred. In order to support
this scenario, extend the fib expression to allow to use after the route
lookup, from the forward hook.
This patch also adds support for the input hook for usability reasons.
Since the prerouting hook cannot be used for the scenario described
above, users need two rules: one for the forward chain and another rule
for the input chain to check for the reverse path check for locally
targeted traffic.
Acked-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Describe the various clocks used by the SPI Multi I/O Bus Controller
(RPC-IF) on the R-Car E3 SoC: RPCSRC internal clock, RPC{,D2} clocks
derived from it, and RPC-IF module clock.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/3295013f27f1e4b8fbf3f79b950d65157ea95ef2.1648546700.git.geert+renesas@glider.be
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Get rid of it now that it is unused.
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20220310095254.1510-6-bp@alien8.de
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Add a DTS file for the Spider Ether TSN sub-board (RTP8A779F0ASKB0ST0S),
and include it from the main r8a779f0-spider.dts.
For now its contents are limited to the Board ID EEPROM.
Extracted from a larger patch in the BSP by LUU HOAI.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/5aa58816182b34d9e5795bc1e22784f4e4879d13.1643898884.git.geert+renesas@glider.be
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Enable the I2C4 bus on the Falcon CPU board, and describe the I2C EEPROMs
present on the Spider CPU and BreakOut boards.
Extracted from a larger patch in the BSP by LUU HOAI.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/6d8917e49f83b6a932970ca169100eb086d11f16.1643898884.git.geert+renesas@glider.be
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Add device nodes for the I2C Bus Interfaces on the Renesas R-Car S4-8
(R8A779F0) SoC.
Based on a larger patch in the BSP by LUU HOAI.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/e1c7fb17801bc82a74aa5364212d02ba51535dd2.1643898884.git.geert+renesas@glider.be
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Don't use sizeof(pointer) when calculating scnprintf offset.
Fixes: 01f84f0ed3b4 ("mac80211: reduce stack usage in debugfs")
Signed-off-by: Ben Greear <greearb@candelatech.com>
Link: https://lore.kernel.org/r/20220406175659.20611-1-greearb@candelatech.com
[correct the Fixes tag]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Synchronize additions to nontrans_list of transmitting BSS with
bss_lock to avoid races. Also when cfg80211_add_nontrans_list() fails
__cfg80211_unlink_bss() needs bss_lock to be held (has lockdep assert
on bss_lock). So protect the whole block with bss_lock to avoid
races and warnings. Found during code review.
Fixes: 0b8fb8235be8 ("cfg80211: Parsing of Multiple BSSID information in scanning")
Signed-off-by: Rameshkumar Sundaram <quic_ramess@quicinc.com>
Link: https://lore.kernel.org/r/1649668071-9370-1-git-send-email-quic_ramess@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We need this to be at least two bytes, so we can access
alpha2[0] and alpha2[1]. It may be three in case some
userspace used NUL-termination since it was NLA_STRING
(and we also push it out with NUL-termination).
Cc: stable@vger.kernel.org
Reported-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220411114201.fd4a31f06541.Ie7ff4be2cf348d8cc28ed0d626fc54becf7ea799@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There are some spelling mistakes in the comments for macro. Fix it.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A user may set the SO_TXTIME socket option to ensure a packet is send
at a given time. The taprio scheduler has to confirm, that it is allowed
to send a packet at that given time, by a check against the packet time
schedule. The scheduler drop the packet, if the gates are closed at the
given send time.
The check, if SO_TXTIME is set, may fail since sk_flags are part of an
union and the union is used otherwise. This happen, if a socket is not
a full socket, like a request socket for example.
Add a check to verify, if the union is used for sk_flags.
Fixes: 4cfd5779bd6e ("taprio: Add support for txtime-assist mode")
Signed-off-by: Benedikt Spranger <b.spranger@linutronix.de>
Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>
Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Shorten argument names, correct formatting, sort local vars in reverse
x-mas tree order.
No functional changes.
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20220310095254.1510-5-bp@alien8.de
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Descriptor fields are little-endian
Fixes: 804775dfc288 ("net: ethernet: mtk_eth_soc: add support for Wireless Ethernet Dispatch (WED)")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This machine allows to have up to 3.2 GiB and 128 Virtio devices.
It is based on android goldfish devices.
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Link: https://lore.kernel.org/r/20220406201523.243733-5-laurent@vivier.eu
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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Add a clocksource based on the goldfish-rtc device.
Move the timer register definition to <clocksource/timer-goldfish.h>
This kernel implementation is based on the QEMU upstream implementation:
https://git.qemu.org/?p=qemu.git;a=blob_plain;f=hw/rtc/goldfish_rtc.c
goldfish-timer is a high-precision signed 64-bit nanosecond timer.
It is part of the 'goldfish' virtual hardware platform used to run
some emulated Android systems under QEMU.
This timer only supports oneshot event.
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20220406201523.243733-4-laurent@vivier.eu
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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Replace readl()/writel() by gf_ioread32()/gf_iowrite32()
as done for goldfish-tty.
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20220406201523.243733-3-laurent@vivier.eu
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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The goldfish TTY device was clearly defined as having little-endian
registers, but the switch to __raw_{read,write}l(() broke its driver
when running on big-endian kernels (if anyone ever tried this).
The m68k qemu implementation got this wrong, and assumed native-endian
registers. While this is a bug in qemu, it is probably impossible to
fix that since there is no way of knowing which other operating systems
have started relying on that bug over the years.
Hence revert commit da31de35cd2f ("tty: goldfish: use
__raw_writel()/__raw_readl()", and define gf_ioread32()/gf_iowrite32()
to be able to use accessors defined by the architecture.
Cc: stable@vger.kernel.org # v5.11+
Fixes: da31de35cd2fb78f ("tty: goldfish: use __raw_writel()/__raw_readl()")
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Link: https://lore.kernel.org/r/20220406201523.243733-2-laurent@vivier.eu
[geert: Add rationale based on Arnd's comments]
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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If syscon_regmap_lookup_by_phandle() fails, it never return NULL pointer,
change the check to IS_ERR().
Fixes: 804775dfc288 ("net: ethernet: mtk_eth_soc: add support for Wireless Ethernet Dispatch (WED)")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use boring kzalloc() instead. Add pointers to the different allocated
members in struct edac_device_ctl_info for easier freeing later.
One of the reasons, perhaps, why it was done this way is to be able to
do a single kfree(ctl_info) without having to kfree() the other parts of
the struct too but that is not nearly a sensible reason as to why there
should be this obscure pointer alignment.
There should be no functional changes resulting from this.
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20220310095254.1510-4-bp@alien8.de
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When using a fixed-link, the altr_tse_pcs driver crashes
due to null-pointer dereference as no phy_device is provided to
tse_pcs_fix_mac_speed function. Fix this by adding a check for
phy_dev before calling the tse_pcs_fix_mac_speed() function.
Also clean up the tse_pcs_fix_mac_speed function a bit. There is
no need to check for splitter_base and sgmii_adapter_base
because the driver will fail if these 2 variables are not
derived from the device tree.
Fixes: fb3bbdb85989 ("net: ethernet: Add TSE PCS support to dwmac-socfpga")
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Menglong Dong says:
====================
net: icmp: add skb drop reasons to icmp
In the commit c504e5c2f964 ("net: skb: introduce kfree_skb_reason()"),
we added the support of reporting the reasons of skb drops to kfree_skb
tracepoint. And in this series patches, reasons for skb drops are added
to ICMP protocol.
In order to report the reasons of skb drops in 'sock_queue_rcv_skb()',
the function 'sock_queue_rcv_skb_reason()' is introduced in the 1th
patch, which is used in the 3th patch.
As David Ahern suggested, the reasons for skb drops should be more
general and not be code based. Therefore, in the 2th patch,
SKB_DROP_REASON_PTYPE_ABSENT is renamed to
SKB_DROP_REASON_UNHANDLED_PROTO, which is used for the cases of no
L3 protocol handler, no L4 protocol handler, version extensions, etc.
In the 3th patch, we introduce the new function __ping_queue_rcv_skb()
to report drop reasons by its return value and keep the return value of
ping_queue_rcv_skb() still.
In the 4th patch, we make ICMP message handler functions return drop
reasons, which means we change the return type of 'handler()' in
'struct icmp_control' from 'bool' to 'enum skb_drop_reason'. This
changed its original intention, as 'false' means failure, but
'SKB_NOT_DROPPED_YET', which is 0, means success now. Therefore, we
have to change all usages of these handler. Following "handler"
functions are involved:
icmp_unreach()
icmp_redirect()
icmp_echo()
icmp_timestamp()
icmp_discard()
And following drop reasons are added(what they mean can be see
in the document for them):
SKB_DROP_REASON_ICMP_CSUM
SKB_DROP_REASON_INVALID_PROTO
The reason 'INVALID_PROTO' is introduced for the case that the packet
doesn't follow rfc 1122 and is dropped. I think this reason is different
from the 'UNHANDLED_PROTO', as the 'UNHANDLED_PROTO' means the packet is
fine, and it is just not supported. This is not a common case, and I
believe we can locate the problem from the data in the packet. For now,
this 'INVALID_PROTO' is used for the icmp broadcasts with wrong types.
Maybe there should be a document file for these reasons. For example,
list all the case that causes the 'INVALID_PROTO' drop reason. Therefore,
users can locate their problems according to the document.
Changes since v4:
- rename SKB_DROP_REASON_RFC_1122 to SKB_DROP_REASON_INVALID_PROTO
Changes since v3:
- rename SKB_DROP_REASON_PTYPE_ABSENT to SKB_DROP_REASON_UNHANDLED_PROTO
in the 2th patch
- fix the return value problem of ping_queue_rcv_skb() in the 3th patch
- remove SKB_DROP_REASON_ICMP_TYPE and SKB_DROP_REASON_ICMP_BROADCAST
and introduce the SKB_DROP_REASON_RFC_1122 in the 4th patch
Changes since v2:
- fix aliegnment problem in the 2th patch
Changes since v1:
- introduce __ping_queue_rcv_skb() instead of change the return value
of ping_queue_rcv_skb() in the 2th patch, as Paolo suggested
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replace kfree_skb() used in icmp_rcv() and icmpv6_rcv() with
kfree_skb_reason().
In order to get the reasons of the skb drops after icmp message handle,
we change the return type of 'handler()' in 'struct icmp_control' from
'bool' to 'enum skb_drop_reason'. This may change its original
intention, as 'false' means failure, but 'SKB_NOT_DROPPED_YET' means
success now. Therefore, all 'handler' and the call of them need to be
handled. Following 'handler' functions are involved:
icmp_unreach()
icmp_redirect()
icmp_echo()
icmp_timestamp()
icmp_discard()
And following new drop reasons are added:
SKB_DROP_REASON_ICMP_CSUM
SKB_DROP_REASON_INVALID_PROTO
The reason 'INVALID_PROTO' is introduced for the case that the packet
doesn't follow rfc 1122 and is dropped. This is not a common case, and
I believe we can locate the problem from the data in the packet. For now,
this 'INVALID_PROTO' is used for the icmp broadcasts with wrong types.
Maybe there should be a document file for these reasons. For example,
list all the case that causes the 'UNHANDLED_PROTO' and 'INVALID_PROTO'
drop reason. Therefore, users can locate their problems according to the
document.
Reviewed-by: Hao Peng <flyingpeng@tencent.com>
Reviewed-by: Jiang Biao <benbjiang@tencent.com>
Signed-off-by: Menglong Dong <imagedong@tencent.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In order to avoid to change the return value of ping_queue_rcv_skb(),
introduce the function __ping_queue_rcv_skb(), which is able to report
the reasons of skb drop as its return value, as Paolo suggested.
Meanwhile, make ping_queue_rcv_skb() a simple call to
__ping_queue_rcv_skb().
The kfree_skb() and sock_queue_rcv_skb() used in ping_queue_rcv_skb()
are replaced with kfree_skb_reason() and sock_queue_rcv_skb_reason()
now.
Reviewed-by: Hao Peng <flyingpeng@tencent.com>
Reviewed-by: Jiang Biao <benbjiang@tencent.com>
Signed-off-by: Menglong Dong <imagedong@tencent.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As David Ahern suggested, the reasons for skb drops should be more
general and not be code based.
Therefore, rename SKB_DROP_REASON_PTYPE_ABSENT to
SKB_DROP_REASON_UNHANDLED_PROTO, which is used for the cases of no
L3 protocol handler, no L4 protocol handler, version extensions, etc.
From previous discussion, now we have the aim to make these reasons
more abstract and users based, avoiding code based.
Signed-off-by: Menglong Dong <imagedong@tencent.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In order to report the reasons of skb drops in 'sock_queue_rcv_skb()',
introduce the function 'sock_queue_rcv_skb_reason()'.
As the return value of 'sock_queue_rcv_skb()' is used as the error code,
we can't make it as drop reason and have to pass extra output argument.
'sock_queue_rcv_skb()' is used in many places, so we can't change it
directly.
Introduce the new function 'sock_queue_rcv_skb_reason()' and make
'sock_queue_rcv_skb()' an inline call to it.
Reviewed-by: Hao Peng <flyingpeng@tencent.com>
Reviewed-by: Jiang Biao <benbjiang@tencent.com>
Signed-off-by: Menglong Dong <imagedong@tencent.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use boring kzalloc() instead.
There should be no functional changes resulting from this.
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20220310095254.1510-3-bp@alien8.de
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When the T1 phy master/slave state is changed, at the end of config_aneg
function genphy_softreset is called. After the reset all the registers
configured during the config_init are restored to default value.
To avoid this, removed the genphy_softreset call.
v1->v2
------
Added the author in cc
Fixes: 8a1b415d70b7 ("net: phy: added ethtool master-slave configuration support")
Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This has probably meant something at some point but there's no need for
it anymore - the struct mem_ctl_info allocation can happen with normal,
boring k*alloc() calls like everyone else does it.
No functional changes.
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20220310095254.1510-2-bp@alien8.de
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The AM64 SoC has the Error Locator Module. Add compatible id for it.
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20220326080726.30372-4-rogerq@kernel.org
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TI's AM64 SoC has the Error Locator Module. Add compatible and
related properties to support ELM on AM64 SoC.
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20220326080726.30372-3-rogerq@kernel.org
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Convert elm.txt to ti,elm.yaml.
hwmod framework use is deprecated for new platforms
so mark it so.
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20220326080726.30372-2-rogerq@kernel.org
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The sparse tool complains as follows:
drivers/bus/imx-weim.c:373:23: warning:
symbol 'weim_of_notifier' was not declared. Should it be static?
This symbol is not used outside of imx-weim.c, so marks it static.
Fixes: e6cb5408289f ("bus: imx-weim: add DT overlay support for WEIM bus")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Add support for the following Telit FN980 and FN990 compositions:
0x1057: tty, adb, rmnet, tty, tty, tty, tty, tty
0x1058: tty, adb, tty, tty, tty, tty, tty
0x1075: adb, tty
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Link: https://lore.kernel.org/r/20220406141408.580669-1-dnlplm@gmail.com
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
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A microcode update on some Intel processors causes all TSX transactions
to always abort by default[*]. Microcode also added functionality to
re-enable TSX for development purposes. With this microcode loaded, if
tsx=on was passed on the cmdline, and TSX development mode was already
enabled before the kernel boot, it may make the system vulnerable to TSX
Asynchronous Abort (TAA).
To be on safer side, unconditionally disable TSX development mode during
boot. If a viable use case appears, this can be revisited later.
[*]: Intel TSX Disable Update for Selected Processors, doc ID: 643557
[ bp: Drop unstable web link, massage heavily. ]
Suggested-by: Andrew Cooper <andrew.cooper3@citrix.com>
Suggested-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Tested-by: Neelima Krishnan <neelima.krishnan@intel.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/347bd844da3a333a9793c6687d4e4eb3b2419a3e.1646943780.git.pawan.kumar.gupta@linux.intel.com
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If CPUs on a node are offline at boot time, the number of nodes is
different when building affinity masks for present cpus and when building
affinity masks for possible cpus. This causes the following problem:
In the case that the number of vectors is less than the number of nodes
there are cases where bits of masks for present cpus are overwritten when
building masks for possible cpus.
Fix this by excluding CPUs, which are not part of the current build mask
(present/possible).
[ tglx: Massaged changelog and added comment ]
Fixes: b82592199032 ("genirq/affinity: Spread IRQs to all available NUMA nodes")
Signed-off-by: Rei Yamamoto <yamamoto.rei@jp.fujitsu.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20220331003309.10891-1-yamamoto.rei@jp.fujitsu.com
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tsx_clear_cpuid() uses MSR_TSX_FORCE_ABORT to clear CPUID.RTM and
CPUID.HLE. Not all CPUs support MSR_TSX_FORCE_ABORT, alternatively use
MSR_IA32_TSX_CTRL when supported.
[ bp: Document how and why TSX gets disabled. ]
Fixes: 293649307ef9 ("x86/tsx: Clear CPUID bits when TSX always force aborts")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Tested-by: Neelima Krishnan <neelima.krishnan@intel.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/5b323e77e251a9c8bcdda498c5cc0095be1e1d3c.1646943780.git.pawan.kumar.gupta@linux.intel.com
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lib/kaslr.c is used by both the main kernel and the boot stub. It
includes asm/io.h which is supposed to be used in the main kernel. It
leads to build warnings like this with clang 13:
warning: implicit declaration of function 'outl' is invalid in C99 [-Wimplicit-function-declaration]
Replace <asm/io.h> with <asm/shared/io.h> which is suitable for both
cases.
Fixes: 1e8f93e18379 ("x86: Consolidate port I/O helpers")
Reported-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20220410200025.3stf4jjvwfe5oxew@box.shutemov.name
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For this specific device on Lenovo Thinkpad X12 tablet, the verbs were
dumped by qemu running a guest OS that init this codec properly.
After studying the dump, it turns out that
the same quirk used by the other Lenovo devices can be reused.
The patch was tested working against the mainline kernel.
Cc: <stable@vger.kernel.org>
Signed-off-by: Tao Jin <tao-j@outlook.com>
Link: https://lore.kernel.org/r/CO6PR03MB6241CD73310B37858FE64C85E1E89@CO6PR03MB6241.namprd03.prod.outlook.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Syzbot reports "KASAN: null-ptr-deref Write in
snd_pcm_format_set_silence".[1]
It is due to missing validation of the "silence" field of struct
"pcm_format_data" in "pcm_formats" array.
Add a test for valid "pat" and, if it is not so, return -EINVAL.
[1] https://lore.kernel.org/lkml/000000000000d188ef05dc2c7279@google.com/
Reported-and-tested-by: syzbot+205eb15961852c2c5974@syzkaller.appspotmail.com
Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20220409012655.9399-1-fmdefrancesco@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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We need the staging fix in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The userspace program could pass any values to the driver through
ioctl() interface. If the driver doesn't check the value of 'pixclock',
it may cause divide error.
Fix this by checking whether 'pixclock' is zero in the function
i740fb_check_var().
The following log reveals it:
divide error: 0000 [#1] PREEMPT SMP KASAN PTI
RIP: 0010:i740fb_decode_var drivers/video/fbdev/i740fb.c:444 [inline]
RIP: 0010:i740fb_set_par+0x272f/0x3bb0 drivers/video/fbdev/i740fb.c:739
Call Trace:
fb_set_var+0x604/0xeb0 drivers/video/fbdev/core/fbmem.c:1036
do_fb_ioctl+0x234/0x670 drivers/video/fbdev/core/fbmem.c:1112
fb_ioctl+0xdd/0x130 drivers/video/fbdev/core/fbmem.c:1191
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
Signed-off-by: Zheyu Ma <zheyuma97@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
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sparse complains that using memset() on __iomem pointer is wrong:
incorrect type in argument 1 (different address spaces)
Use memset_io() to clear screen instead.
Tested on real i740 cards.
Signed-off-by: Ondrej Zary <linux@zary.sk>
Signed-off-by: Helge Deller <deller@gmx.de>
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The userspace program could pass any values to the driver through
ioctl() interface. If the driver doesn't check the value of 'pixclock',
it may cause divide error.
Fix this by checking whether 'pixclock' is zero in s3fb_check_var().
The following log reveals it:
divide error: 0000 [#1] PREEMPT SMP KASAN PTI
RIP: 0010:s3fb_check_var+0x3f3/0x530
Call Trace:
<TASK>
fb_set_var+0x367/0xeb0
do_fb_ioctl+0x234/0x670
fb_ioctl+0xdd/0x130
do_syscall_64+0x3b/0x90
Signed-off-by: Zheyu Ma <zheyuma97@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
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The userspace program could pass any values to the driver through
ioctl() interface. If the driver doesn't check the value of 'pixclock',
it may cause divide error.
Fix this by checking whether 'pixclock' is zero.
The following log reveals it:
divide error: 0000 [#1] PREEMPT SMP KASAN PTI
RIP: 0010:arkfb_set_par+0x10fc/0x24f0
Call Trace:
<TASK>
fb_set_var+0x604/0xeb0
do_fb_ioctl+0x234/0x670
fb_ioctl+0xdd/0x130
do_syscall_64+0x3b/0x90
Signed-off-by: Zheyu Ma <zheyuma97@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
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The userspace program could pass any values to the driver through
ioctl() interface. If the driver doesn't check the value of 'pixclock',
it may cause divide error.
Fix this by checking whether 'pixclock' is zero.
The following log reveals it:
divide error: 0000 [#1] PREEMPT SMP KASAN PTI
RIP: 0010:tridentfb_check_var+0x853/0xe60
Call Trace:
<TASK>
fb_set_var+0x367/0xeb0
do_fb_ioctl+0x234/0x670
fb_ioctl+0xdd/0x130
do_syscall_64+0x3b/0x90
Signed-off-by: Zheyu Ma <zheyuma97@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
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David S. Miller
Kevin Groeneveld
Geert Uytterhoeven
Florian Westphal
Pablo Neira Ayuso
Borislav Petkov
Ben Greear
Rameshkumar Sundaram
Johannes Berg
Lv Ruyi
Benedikt Spranger
Felix Fietkau
Laurent Vivier
Yang Yingliang
Dinh Nguyen
Menglong Dong
Arun Ramadoss
Roger Quadros
Wei Yongjun
Daniele Palmas
Pawan Gupta
Rei Yamamoto
Kirill A. Shutemov
Tao Jin
Fabio M. De Francesco
Greg Kroah-Hartman
Zheyu Ma
Ondrej Zary